(561) 691-4552 • (407) 777-4552 info@johnstongroupinc.com

Celebrating our 15th Year of Unparalleled Service

What an amazing design that Nathan created for our Florida residence! We have a customized home that exceeds our dreams as a result of his expertise and vision!

Debra Love

Recent Projects


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About Johnston Group

Ryan JohnstonRyan B. Johnston
Chief Executive Officer

P:  561.691.4552
F:  561.691.4553
E:  Ryan@JohnstonGroupInc.com

224 Chimney Corner Lane, Suite 3032
Jupiter, Florida  33458

View Ryan Johnston's profile on LinkedIn

Ryan Johnston has more than 20 years of experience in the development industry and is recognized for his active participation in real estate development projects with a total gross volume of over 2 billion dollars. Starting his career in the City of West Palm Beach Planning Services Department, Mr. Johnston moved into the private sector in 1998 to lead the newly formed land planning division of a local landscape architecture firm. In early 2000, Mr. Johnston joined Palm Beach Gardens-based Catalfumo Construction and Development, Inc., starting his career there as Government Liaison and working his way up to Senior Vice President of Land Development.

Mr. Johnston founded Johnston Group Development & Design, Inc. in 2005 to provide freelance development project management services for the development and construction industry. Johnston Group has since amassed a substantial portfolio of successfully completed projects throughout Florida and has grown to include a full suite of services including development, design, entitlements, construction and real estate. The firm provides turn-key development and construction services ranging from site selection and acquisition through complete project design, approvals, permitting and construction.


Seth FordSeth A. Ford
Executive Vice President

P:  561.691.4552
F:  561.691.4553
E:  Seth@JohnstonGroupInc.com

224 Chimney Corner Lane, Suite 3032
Jupiter, Florida  33458

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Seth Ford is a dynamic professional with over 25 years of construction management,
architectural and structural design experience in a variety of business environments. Seth
is a graduate of Palm Beach State College where he earned his Associate of Arts degree.
He spent six (6) years working for Palm Beach Gardens-based Catalfumo Construction
& Development, Inc. from 1999 – 2005 where he was instrumental in the completion of
several high-profile projects. Skilled in developing and maintaining lasting relationships
with clients, Seth has solid organizational skills with the ability to meet multiple time
sensitive deadlines. His creative thinking, high standards, attention to detail, level of
perseverance, integrity and ethics have earned him the respect of many clients and
industry colleagues. He has been a State of Florida Certified General Contractor since
2000, holds a State of Florida Structural Building Inspector license and is a certified
Coastal Construction Inspector.


Tara JohnstonTara Lynn Johnston
Chief Financial Officer

P:  561.691.4552
F:  561.691.4553
E:  Tara@JohnstonGroupInc.com

224 Chimney Corner Lane, Suite 3032
Jupiter, Florida  33458

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Tara joined the firm in 2015. Prior to becoming part of the Johnston Group team, Tara spent 20
years at TaxServ Capital Services and its subsidiary where she served as the firm’s
Vice President and Servicing Manager. Her extensive experience in real estate, finance,
consulting and customer service brings immense value to Johnston Group. As a creative
and inventive thinker who craves challenge, Tara is never afraid to work outside
of her comfort zone. She’s a motivated professional who possesses superb communication
skills and she quickly builds strong relationships with the firm’s clients, finding
out their exact needs, determining feasible solutions to overcoming obstacles, and delivering
a solid work product. Tara’s educational background is in Business Management and
Business Administration.


Joe FranklinJoseph L. Franklin
Licensed Real Estate Broker

P:  561.691.4552
F:  561.691.4553
E:  Joe@JohnstonGroupInc.com

224 Chimney Corner Lane, Suite 3032
Jupiter, Florida  33458

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Waterbury, Connecticut born & a South Florida resident in excess of twenty five years, Joseph Franklin embodies grit, perseverance, open mindedness, willingness, and a genuine care for people. Joseph began real estate in the early 2000’s beginning as a residential real estate expert, conducting hundreds of transactions and ascending to construct a diverse portfolio including commercial & residential sales & leasing. He began his studies at the University of Connecticut and is an Alumni of the University of Central Florida. In addition to real estate he possesses a passion for education, as was his concentration in college, receiving a Bachelor of Science in Education. The natural desire to facilitate success is evident in the dedication and attention invested in clients. One of his strongest attributes is his understanding of the importance to remain teachable and humble. Joseph’s philosophy to challenge himself & to persistently continue education of the market & the real estate industry’s direction and trends, results in unencumbered approach to achieving the goals of his clients and team members. Joseph is a licensed real estate broker in Florida and holds a non resident commercial real estate license in North Carolina. He is a member of the Realtors Board of the Palm Beaches, Realtors Commercial Alliance and Palm Beach North Chamber of Commerce.


Greg SiefkerGreg Siefker
Construction Manager

P:  561.691.4552
F:  561.691.4553
E:  Greg@JohnstonGroupInc.com

224 Chimney Corner Lane, Suite 3032
Jupiter, Florida  33458

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Greg Siefker is a seasoned veteran of the Florida construction industry. He started in the
industry at a young age while working for his father’s construction company completing
residential and commercial projects. Greg attended the University of Florida and earned
his Associates of Arts degree and a Bachelor of Arts in Building Construction. After
graduation, Greg joined Eckerd Corporation where he was responsible for the South
Florida market including maintenance, renovations and new store development for a
278-store region. Greg’s experience in private commercial real estate development
provided him with exceptional skills in managing numerous projects from concept
through completion with full responsibility for budget and schedule. Greg eventually
transitioned to CBRE where customer service and client delivery were the keys to his
11-year tenure leading the company’s South Florida project management teams. In the
capacity of Construction Manager for Johnston Group, Greg’s 34 years of experience is
a vital asset in the delivery of the firm’s projects.


Jason LitterickJason Litterick, ASLA
Landscape Architect

P:  561.691.4552
F:  561.691.4553
E:  Jason@JohnstonGroupInc.com

224 Chimney Corner Lane, Suite 3032
Jupiter, Florida  33458

View Greg Siefker's profile on LinkedIn

Jason Litterick has over 30 years of experience in the landscape industry dating back to
when he owned and operated a small landscape maintenance company in Orange Park,
Florida. With hard work and determination, Jason put himself through college at the
University of Florida where he received a Bachelor of Landscape Architecture degree.
Following graduation, Jason started work as an associate at the Jupiter-based landscape
architecture firm of George G. Gentile and Associates, Inc. where he practiced as a
Landscape Architect for 17 years. During his tenure with the firm, he was appointed to
the position of Project Manager and led a design team to complete multiple projects
ranging from single-family residential to large-scale planning projects. In 2013, Jason
founded Litterick Landscape Architecture to provide landscape architectural design
services for an array of clients including both private and public entities. Jason formed a
strategic alliance with Johnston Group Development & Construction in 2014 and
provides site, hardscape, landscape, lighting and irrigation design for many of the firm’s
single- and multi-family residential and commercial development projects.